Am Sa., 7. Aug. 2021 um 11:12 Uhr schrieb Bill Crockett :
> If I choose a CRF of 20, and I use the "veryslow" preset, the quality will
> still be the same if I choose a CRF of 20 and use the "superfast" preset?
>
> The same with this. If I choose a CRF of 10, and I use the "veryslow"
> preset,
Sure it is. That’s why it’s called “constant visual quality”. The preset has
(almost) nothing to do with quality. It only affects speed.
> 在 2021年8月7日，下午5:06，Bill Crockett 写道：
>
> First of all, I am not doing 2 pass encoding. I am using the CRF option.
>
> They say for constant quality
>
> On 7 Aug 2021, at 10:12, Bill Crockett wrote:
>
> First of all, I am not doing 2 pass encoding. I am using the CRF option.
>
> They say for constant quality encoding, you will save bitrate by choosing a
> slower preset. A slower preset will provide better compression.
>
> ultrafast
First of all, I am not doing 2 pass encoding. I am using the CRF option.
They say for constant quality encoding, you will save bitrate by choosing a
slower preset. A slower preset will provide better compression.
ultrafast
superfast
veryfast
faster
fast
medium – default preset
slow
slower
